Home / 348,823.36-481,468.24-205,678.72

Finding the Fourth Proportional to 348,823.36, 481,468.24 and 205,678.72

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Solution

The fourth proportional to 348,823.36, 481,468.24 and 205,678.72 is: 283,890.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,823.36 : 481,468.24 = 205,678.72 : x
  2. Step 2: Convert to fraction form
    348,823.36/481,468.24 = 205,678.72/x
  3. Step 3: Cross multiply
    348,823.36x = 481,468.24 × 205,678.72
  4. Step 4: Simplify right side
    348,823.36x = 99,027,771,323.85
  5. Step 5: Solve for x
    x = 99,027,771,323.85/348,823.36
  6. Step 6: Final answer
    x = 283,890.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.